bump version to 0.0.11

README.md

@@ -1,5 +1,7 @@
 # pve-fake-subscription
 
+![JavaScript free](https://img.shields.io/badge/JavaScript-free-%09%23f7df1e "No JavaScript is involved in this project. ")
+
 Disables the "No valid subscription" dialog on all Proxmox products.
 
 > I am really poor and I can't afford a license. I just want to get rid of the annoying dialog.
@@ -8,9 +10,9 @@ Disables the "No valid subscription" dialog on all Proxmox products.
 
 Works for:
 
-- Proxmox VE (5.x or later, tested up to 7.2)
+- Proxmox VE (5.x or later; 3.x and 4.x [require some manual actions](#compatibility-information-for-old-proxmox-ve-versions))
 - Proxmox Mail Gateway (5.x or later)
-- Proxmox Backup Server (1.x)
+- Proxmox Backup Server (1.x or later)
 
 Highlights:
 
@@ -20,7 +22,9 @@ Highlights:
 - Comes with standard Debian package, easy to manage and automate
 - **No JavaScript is involved** in the whole process, as I believe JavaScript is harmful to developers
 
-## Installation
+## Usage
+
+### Installation
 
 1. [Download the latest release](https://github.com/Jamesits/pve-fake-subscription/releases/latest)
 1. Install: run `dpkg -i pve-fake-subscription_*.deb` as root on every node
@@ -28,8 +32,6 @@ Highlights:
 
 Notes:
 
-The initial run will be scheduled within 1 minute of the installation. If you don't want to wait, you can invoke it immediately by executing `pve-fake-subscription`.
-
 After installation, please refrain yourself from clicking the "check" button on the "Subscription" page. It will invalidate the cache and temporary revert your instance into an unlicensed status.
 
 The fake subscription status doesn't grant you free access to the enterprise repository. You should switch to the no-subscription repository if not already done. Use the following method:
@@ -38,7 +40,7 @@ The fake subscription status doesn't grant you free access to the enterprise rep
 - [Proxmox Mail Gateway (PMG)](https://pmg.proxmox.com/pmg-docs/pmg-admin-guide.html#pmg_package_repositories)
 - [Proxmox Backup Server (PBS)](https://pbs.proxmox.com/docs/installation.html#proxmox-backup-no-subscription-repository)
 
-## Uninstallation
+### Uninstallation
 
 Run as root:
 
@@ -48,10 +50,49 @@ apt purge pve-fake-subscription
 
 This will revert your system to a "no subscription key" status.
 
-## Building the Package
+## Development Notes
+
+### Building the Package
 
 Install [nFPM](https://nfpm.goreleaser.com/install/), then:
 
 ```shell
 ./package.sh
 ```
+
+### Compatibility Information for Old Proxmox VE Versions
+
+#### PVE 4.x
+
+After installation or updates, run:
+```shell
+sed -i'' -e's/pve8p/pve4p/g' /usr/bin/pve-fake-subscription
+pve-fake-subscription
+```
+
+#### PVE 3.x
+
+Installation with `dpkg -i` will not work because of missing dependencies. Use the following script to install manually:
+```shell
+# extract the deb package
+mkdir -p /tmp/pve-fake-subscription
+dpkg-deb -x pve-fake-subscription_*.deb /tmp/pve-fake-subscription
+
+# patch and install the script
+sed -i'' -e's/python3/python/g' -e's/pve8p/pve4p/g' /tmp/pve-fake-subscription/usr/bin/pve-fake-subscription
+mv /tmp/pve-fake-subscription/usr/bin/pve-fake-subscription /usr/local/bin/
+
+# install the timer
+ln -sf /usr/local/bin/pve-fake-subscription /etc/cron.hourly/pve-fake-subscription
+
+# invoke it once
+/usr/local/bin/pve-fake-subscription
+
+# remove temporary files
+rm -rf /tmp/pve-fake-subscription
+```
+
+Removal:
+```shell
+rm -f /usr/local/bin/pve-fake-subscription /etc/cron.hourly/pve-fake-subscription /etc/subscription
+```

nfpm.yaml

@@ -1,14 +1,14 @@
 name: "pve-fake-subscription"
 arch: "all"
 platform: "linux"
-version: "0.0.9"
+version: "0.0.11"
 version_schema: "semver"
 version_metadata: "git"
 
 epoch: 0
 release: 1
 section: "admin"
-priority: "optinal"
+priority: "optional"
 
 maintainer: "Nobody <nobody@example.com>"
 

scripts/postinst

@@ -3,15 +3,19 @@
 after_upgrade() {
     :
 
-    systemctl --system daemon-reload >/dev/null || true
-    debsystemctl=$(command -v deb-systemd-invoke || echo systemctl)
-    if ! systemctl is-enabled pve-fake-subscription.timer >/dev/null
-    then
-    : # Ensure this if-clause is not empty. If it were empty, and we had an 'else', then it is an error in shell syntax
-        systemctl preset pve-fake-subscription.timer >/dev/null || true
-        $debsystemctl start pve-fake-subscription.timer >/dev/null || true
+    if command -v systemctl >/dev/null; then
+        systemctl --system daemon-reload >/dev/null || true
+        debsystemctl=$(command -v deb-systemd-invoke || echo systemctl)
+        if ! systemctl is-enabled pve-fake-subscription.timer >/dev/null
+        then
+        : # Ensure this if-clause is not empty. If it were empty, and we had an 'else', then it is an error in shell syntax
+            systemctl preset pve-fake-subscription.timer >/dev/null || true
+            $debsystemctl start pve-fake-subscription.timer >/dev/null || true
+        else
+            $debsystemctl restart pve-fake-subscription.timer >/dev/null || true
+        fi
     else
-        $debsystemctl restart pve-fake-subscription.timer >/dev/null || true
+        ln -sf /usr/bin/pve-fake-subscription /etc/cron.hourly/pve-fake-subscription
     fi
 
     pve-fake-subscription
@@ -20,10 +24,14 @@ after_upgrade() {
 after_install() {
     :
 
-    systemctl --system daemon-reload >/dev/null || true
-    debsystemctl=$(command -v deb-systemd-invoke || echo systemctl)
-    systemctl preset pve-fake-subscription.timer >/dev/null || true
-    $debsystemctl start pve-fake-subscription.timer >/dev/null || true
+    if command -v systemctl >/dev/null; then
+        systemctl --system daemon-reload >/dev/null || true
+        debsystemctl=$(command -v deb-systemd-invoke || echo systemctl)
+        systemctl preset pve-fake-subscription.timer >/dev/null || true
+        $debsystemctl start pve-fake-subscription.timer >/dev/null || true
+    else
+        ln -sf /usr/bin/pve-fake-subscription /etc/cron.hourly/pve-fake-subscription
+    fi
 
     pve-fake-subscription
 }

scripts/postrm

@@ -6,6 +6,8 @@ after_remove() {
     rm -f /etc/subscription
     rm -f /etc/pmg/subscription
     rm -f /etc/proxmox-backup/subscription
+
+    rm -f /etc/cron.hourly/pve-fake-subscription
 }
 
 after_purge() {

usr/bin/pve-fake-subscription

@@ -3,6 +3,8 @@
 # Pollute Proxmox software subscription cache so it won't alert you on dashboard login
 # Should be scheduled to run every few hours with a timer to prevent cache from expiring
 # If you need to prevent it checking keys against a server, please block "shop.maurer-it.com" in your hosts file
+
+from __future__ import print_function
 import hashlib
 import base64
 import json
@@ -10,7 +12,6 @@ import time
 import re
 import sys
 import os
-from typing import List
 from datetime import datetime, timedelta
 
 # PVE & PMG: /usr/share/perl5/PVE/Subscription.pm
@@ -18,30 +19,40 @@ from datetime import datetime, timedelta
 shared_key_data = "kjfdlskfhiuewhfk947368"
 server_key_file = "/etc/ssh/ssh_host_rsa_key.pub"
 
-def get_timestamp() -> int:
+# Default license keys
+lic_pve = "pve8p-1145141919"
+lic_pmg = "pmgp-1145141919"
+lic_pbs = "pbst-1145141919"
+
+# UI customization
+ui_product_name = "YajuuSenpai"
+ui_message = "Yajuu Senpai has got your back"
+ui_url = "https://github.com/Jamesits/pve-fake-subscription"
+
+def get_timestamp():
     return int(time.time())
 
 # Perl's md5_base64 implementation
-def md5_base64_perl(x: str) -> str:
+def md5_base64_perl(x):
     return base64.b64encode(hashlib.md5(x.encode()).digest()).strip(b'=').decode()
 
 # Rust's `base64::encode(tools::md5sum("something")?);`
-def md5_base64_rs(x: str) -> str:
+def md5_base64_rs(x):
     return base64.b64encode(hashlib.md5(x.encode()).digest()).decode()
 
-def generate_server_id(key: str) -> str:
+def generate_server_id(key):
     return hashlib.md5(key.encode()).hexdigest().upper()
 
-def dt_string(format: str, offset_secs: int = 0) -> str:
+def dt_string(format, offset_secs=0):
     return (datetime.now() + timedelta(seconds=offset_secs)).strftime(format)
 
-def generate_subscription_pve_pmg(key: str, server_ids: List[str]) -> str:
+def generate_subscription_pve_pmg(key, server_ids, product_name=ui_product_name):
     localinfo = {
         "checktime": get_timestamp(),
         "status": "Active",
         "key": key,
         "validdirectory": ",".join(server_ids),
-        "productname": "YajuuSenpai",
+        "productname": product_name,
         "regdate": dt_string("%Y-%m-%d %H:%M:%S"),
         "nextduedate": dt_string("%Y-%m-%d", 1296000),
     }
@@ -53,9 +64,10 @@ def generate_subscription_pve_pmg(key: str, server_ids: List[str]) -> str:
     return key + "\n" + csum + "\n" + data + "\n"
 
 # key_pattern can be find in /usr/share/perl5/{PVE,PMG}/API2/Subscription.pm
-# PVE: r'pve([1248])([cbsp])-[0-9a-f]{10}'
+# PVE5+: r'pve([1248])([cbsp])-[0-9a-f]{10}'
+# PVE3/4: r'pve([124])([cbsp])-[0-9a-f]{10}'
 # PMG: r'pmg([cbsp])-[0-9a-f]{10}'
-def activate_pve_pmg(key: str, subscription_file: str) -> None:
+def activate_pve_pmg(key, subscription_file, *args, **kwargs):
     # check if the key format is correct
     # pattern = re.compile(key_pattern)
     # if not pattern.match(key):
@@ -68,23 +80,23 @@ def activate_pve_pmg(key: str, subscription_file: str) -> None:
         server_id = generate_server_id(f.read())
 
     # generate a license file
-    subscription = generate_subscription_pve_pmg(key, [server_id])
+    subscription = generate_subscription_pve_pmg(key, [server_id], *args, **kwargs)
 
     # write license file
     with open(subscription_file, "w") as f:
         f.write(subscription)
 
-def generate_subscription_pbs(key: str, server_ids: List[str]) -> str:
+def generate_subscription_pbs(key, server_ids, product_name=ui_product_name, message=ui_message, url=ui_url):
     localinfo = {
         "status": "active", # PBS: `new`, `notfound`, `active`, `invalid`
         "serverid": ",".join(server_ids),
         "checktime": get_timestamp(),
         "key": key,
-        "message": "Yajuu Senpai has got your back",
-        "productname": "YajuuSenpai",
+        "message": message,
+        "productname": product_name,
         "regdate": dt_string("%Y-%m-%d %H:%M:%S"),
         "nextduedate": dt_string("%Y-%m-%d", 1296000), # 1296000: MAX_LOCAL_KEY_AGE in src/tools/subscription.rs
-        "url": "https://github.com/Jamesits/pve-fake-subscription",
+        "url": url,
     }
 
     data = base64.standard_b64encode(json.dumps(localinfo).encode()).decode()
@@ -94,14 +106,14 @@ def generate_subscription_pbs(key: str, server_ids: List[str]) -> str:
     return key + "\n" + csum + "\n" + data + "\n"
 
 # Key pattern: pbst-xxxxxxxxxx
-def activate_pbs(key: str, subscription_file: str) -> None:
+def activate_pbs(key, subscription_file, *args, **kwargs):
     # get machine ID
     server_id = ""
     with open(server_key_file, "r") as f:
         server_id = generate_server_id(f.read())
 
     # generate a license file
-    subscription = generate_subscription_pbs(key, [server_id])
+    subscription = generate_subscription_pbs(key, [server_id], *args, **kwargs)
 
     # write license file
     with open(subscription_file, "w") as f:
@@ -111,14 +123,14 @@ if __name__ == "__main__":
     # Proxmox VE
     if os.path.exists("/etc/pve"):
         print("Activating Proxmox VE...")
-        activate_pve_pmg("pve8p-1145141919", "/etc/subscription")
+        activate_pve_pmg(lic_pve, "/etc/subscription")
 
     # Proxmox Mail Gateway
     if os.path.exists("/etc/pmg"):
         print("Activating Proxmox Mail Gateway...")
-        activate_pve_pmg("pmgp-1145141919", "/etc/pmg/subscription")
+        activate_pve_pmg(lic_pmg, "/etc/pmg/subscription")
 
     # Proxmox Backup Server
     if os.path.exists("/etc/proxmox-backup"):
         print("Activating Proxmox Backup Server...")
-        activate_pbs("pbst-1145141919", "/etc/proxmox-backup/subscription")
+        activate_pbs(lic_pbs, "/etc/proxmox-backup/subscription")